NASA is backing a radically different way to reach space, one that swaps towering rockets for a ground-based launcher that whips payloads to orbital speeds before they ever see a drop of fuel. The concept, often described as a giant space catapult, is ...

With the wet dress rehearsal, essentially a critical fueling test of the Artemis 2 Space Launch System moon rocket, now back on Feb. 2, NASA said in a statement that it can no longer target Feb. 6 or Feb. 7, the first two days of its launch window. The Artemis 2 launch window originally ran from Feb. 6 to Feb. 10.

CAPE CANAVERAL, Fla. -- NASA's giant new moon rocket moved to the launch pad Saturday in preparation for astronauts' first lunar fly-around in more than half a century. The out-and-back trip could blast off as early as February. The 322-foot rocket began ...

NASA has selected Arizona company Katalyst to save the Swift Observatory from its degrading orbit and will use the company's air-launched rocket to do so. Dropped by a Northrop Grumman L-1011 Stargazer aircraft, the Pegasus solid rocket will look to catch ...